package com.dc.controller;

import com.alibaba.fastjson.JSON;
import com.dc.bean.model.BaseModel;
import com.dc.bean.utils.BaseDao;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
//删除留言
@WebServlet(name = "BatchDelMessageServlet",urlPatterns = {"/bathchDelMessage"})
public class BatchDelMessageServlet extends HttpServlet {
    BaseDao baseDao = new BaseDao();
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String ids = req.getParameter("ids");
        String sql = "delete from t_message where id in ("+ids+")";
        int result = baseDao.update(sql);
        BaseModel baseModel = new BaseModel();
        if (result>0){
            baseModel.setCode(1);
            baseModel.setMassage("删除"+result+"条留言成功");
        }else {
            baseModel.setCode(0);
            baseModel.setMassage("删除留言失败");
        }
        String baseModelStr = JSON.toJSONString(baseModel);
        resp.setCharacterEncoding("utf-8");
        resp.setContentType("application/json;charset=utf-8");
        resp.getWriter().write(baseModelStr);
        resp.getWriter().flush();
        resp.getWriter().close();
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doPost(req, resp);
    }
}
